Cita APA (7a ed.)

Barney, S. A., & Galloway, A. (2006). The Penn Commentary on Piers Plowman, Volume 1: C Prologue-Passūs 4; B Prologue-Passūs 4; A Prologue-Passūs 4. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Barney, Stephen A., y Andrew Galloway. The Penn Commentary on Piers Plowman, Volume 1: C Prologue-Passūs 4; B Prologue-Passūs 4; A Prologue-Passūs 4. Philadelphia: University of Pennsylvania Press, 2006.

Cita MLA (8a ed.)

Barney, Stephen A., y Andrew Galloway. The Penn Commentary on Piers Plowman, Volume 1: C Prologue-Passūs 4; B Prologue-Passūs 4; A Prologue-Passūs 4. University of Pennsylvania Press, 2006.